Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	MB ASRock AMD AM5 B850M Pro RS	Asrock B850M-X WiFi B850 AM5 Micro ATX WiFi R2.0 PCIe 4.0 Motherboard
Price (new) (differs)	£122.40as of 6 Nov, 00:20	£115.30as of 6 Nov, 00:22
Amazon Warehouse offer	not stated	not stated
RRP (differs)	£247.99	£265.99
Price badge	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Apr 2025 (1 yr 7 mo old)
Brand	ASRock	ASRock
Socket	AM5	AM5
Chipset	B850	B850
Form factor	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5
RAM slots (differs)	4	not stated
Maximum RAM	not stated	not stated
Fastest RAM speed stated (differs)	8,000 MT/s	not stated
M.2 slots	1	1
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot	Yes	Yes
PCIe 5.0 M.2 slot (differs)	Yes	not stated
WiFi (differs)	None named in the listing title	WiFi 6E
Bluetooth (differs)	not stated	5.2
Wired LAN	not stated	not stated
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port	not stated	not stated
SATA ports	4	4
Power phases (as stated by the maker) (differs)	8+2+1	not stated
BIOS flashback (differs)	Yes	not stated
Debug LED / POST code	not stated	not stated
ARGB headers	not stated	not stated
Video outputs (differs)	not stated	HDMI, DisplayPort
Audio codec	not stated	not stated
Colour	not stated	not stated
Amazon sales rank (differs)	#21,331	#56,094
Buy	Check price on Amazon	Check price on Amazon

Highlighted rows differ between these boards. “Not stated” means the Amazon listing does not mention it: the board may still have it, so check the maker’s specification. Power phases are printed as stated by the maker and are not comparable between brands. Prices are the new price on Amazon.co.uk at the time shown; the price on Amazon when you buy is the one that applies.

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